Revit Build Numbers and Updates, how do you tell what you need?
If you ever want to know what update / service pack matches your Revit Build #, heres a quick way to find out.
First open Revit, select the down arrow buy the help button (top right), select about Revit, then you should see the version / build # of your installed Revit.
See below to match the build # of Revit to the Update / service pack.
Also found here on the Autodesk website as well as other versions of Revit.